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Surface nanobubbles on the carbonate mineral dolomite

机译:碳酸盐矿物白云岩上的表面纳米胶布

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摘要

Surface nanobubbles are of wide interest to a number of research fields, ranging from mineral processing to metamaterials. Their formation on hydrophobic surfaces has long been confirmed but the factors controlling their size and location are less well understood. In this work we investigate, using non-contact atomic force microscopy, the properties of surface nanobubbles on the mineral dolomite under three aqueous solutions; water, depressant and collector. Nanobubbles were observed under all three conditions, but with the highest density observed under collector conditions. Analysis of the critical angle of the bubbles suggests that the collector does not affect the surface tension of the bubbles, but instead does affect their pinning, consistent with the observed increased density.
机译:表面纳米胶布对许多研究领域具有广泛的兴趣,从矿物处理到超材料。 它们在疏水表面上形成了长期确认,但控制其尺寸和位置的因素较小地理解。 在这项工作中,我们研究了非接触原子力显微镜,在三个水溶液下矿物白云石上表面纳米泡的性质; 水,抑制剂和收集器。 在所有三个条件下观察到纳米胶布,但在收集器条件下观察到最高密度。 对气泡的临界角度的分析表明收集器不会影响气泡的表面张力,而是影响它们的钉扎,与观察到的增加的密度一致。

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  • 来源
    《RSC Advances》 |2018年第62期|共5页
  • 作者单位

    Univ Exeter Coll Engn Math &

    Phys Sci Exeter EX4 4QF Devon England;

    Helmholtz Zentrum Dresden Rossendorf Helmholtz Inst Freiberg Resource Technol Chemnitzer Str 40 D-09599 Freiberg Germany;

    Helmholtz Zentrum Dresden Rossendorf Helmholtz Inst Freiberg Resource Technol Chemnitzer Str 40 D-09599 Freiberg Germany;

    Univ Exeter Coll Engn Math &

    Phys Sci Exeter EX4 4QF Devon England;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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